Mercedes W203 W208 W210 W220 M112 M113 Automatic Gearbox Flywheel Ring

Mercedes W203 W208 W210 W220 M112 M113 Automatic Gearbox Flywheel Ring is a precision drivetrain component designed for use with the M112 engine and automatic transmission. It is responsible for the stable transfer of torque to the transmission, ensuring smooth starts and proper torque converter operation. Thanks to its factory-spec geometry and precise fitment for specific Mercedes models, it serves as a functional service solution for drivetrain repairs.

Specifications and technical data

• SKU: A1130300012-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1130300012
• Substitutable numbers: A1130300012, A 113 030 00 12
• Gearbox type: Automatic
• Category: Flywheels & Flexplates

Purpose and function in the drivetrain

The described flywheel ring is a component from the Flywheels and gears category, dedicated to Mercedes W203, W208, and W210 class models with the M112 engine and automatic transmission. Its task is to transfer drive from the crankshaft to the automatic transmission, as well as to interface with the starter motor and the torque converter.

A properly selected flywheel ring:

• ensures a stable connection between the engine and the automatic transmission,
• reduces torsional vibrations in the drivetrain,
• improves shift quality,
• facilitates proper engine starting.

Benefits of using an original Mercedes component

Choosing a flywheel ring from the Mercedes range allows you to maintain compliance with the vehicle's original design specifications. The original geometry and mounting hole spacing translate into:

• secure fitment with the crankshaft and torque converter,
• correct positioning relative to sensors and the starter motor,
• reduced risk of improper system balancing.

As a result, the flywheel ring can be used both for standard repairs and for more advanced service work related to the drivetrain in vehicles with automatic transmissions.

Characteristics of the used component

The presented flywheel ring is a used component, which in workshop practice often represents a reasonable compromise between repair costs and maintaining the manufacturer's original specifications. For this type of component, it is crucial to maintain proper geometry, ensure there are no cracks, and verify the correct condition of working surfaces and mounting holes.

A used flywheel ring for a Mercedes can be an especially attractive choice in situations where:

• a quick replacement of a damaged component in the automatic transmission system is necessary,
• the vehicle is used intensively and the priority is to keep it running at controlled costs,
• it is important to maintain the original drivetrain design without using aftermarket replacements of uncertain quality.

Application in tuning and modifications

In vehicles with the M112 engine and automatic transmission, the flywheel ring is also used in modernization projects, such as swapping the transmission for a different automatic version within the same engine family or restoring the factory configuration after previous modifications. In such cases, it is important to maintain mechanical compatibility and compliance with factory mounting points.

If you are interested in the broader context of using used parts for modifications, it is worth reading an article describing when used components can be an effective support for modernization projects: The best used parts for tuning your car.

Service expansion within the same parts group

If you are planning a comprehensive repair or upgrade of the drivetrain area in your Mercedes and need other elements from the same group, such as additional flywheels, mating gears, or related mounting hardware, check out the available parts in the Mercedes flywheels and gears category.